Volume 19 (2022)
Volume 18 (2021)
Volume 17 (2020)
Volume 16 (2019)
Volume 15 (2018)
Volume 14 (2017)
Volume 13 (2016)
Volume 12 (2015)
Volume 11 (2014)
Volume 10 (2013)
Volume 9 (2012)
Volume 8 (2011)
Volume 7 (2010)
Volume 6 (2009)
Volume 5 (2008)
Volume 4 (2007)
Volume 3 (2006)
Volume 2 (2005)
Volume 1 (2004)
Environmental Engineering,
Optimization of the homogeneous rhodium-catalyzed methanol carbonylation reactor to reduce CO2 emissions

Amirhossein Oudi; Reza Golhosseini

Volume 19, Issue 3 , September 2022


  Optimization of the homogeneous rhodium-catalyzed methanol carbonylation reactor to reduce CO2 emissions is studied in this line of research. In this paper, the steady-state homogeneous rhodium-catalyzed methanol carbonylation reactor is simulated using Aspen HysysV.9 software, by comparing the simulation ...  Read More

Environmental Engineering,
Theoretical Prediction of the Size and Lifetime of Evaporating Sneeze Droplets in a Confined Space: A Guideline to Control of COVID-19 Virus Transmission

alireza bahramian

Volume 19, Issue 2 , June 2022


  The size and lifetime of evaporating sneeze droplets in the indoor environment were studied experimentally and theoretically. The effect of indoor temperature T∞ and indoor humidity RH∞ were investigated on evaporating droplets with initial diameters of 4.9, 8.1, 17.2, and 29.7 μm. The ...  Read More

Environmental Engineering,
Evaluation of the Silica Gel Adsorbent Potential for Carbon Dioxide Capture: Experimental and Modeling

Zohreh khoshraftar; Ahad Ghaemi; Hossein Mashhadimoslem

Volume 18, Issue 4 , December 2021, , Pages 64-80


  In this research, silica gel as a low-cost adsorbent for the uptake of carbon dioxide was investigated experimentally. The samples were characterized by XRD, BET and FT-IR. It shows that as pressure was increased from 2 to 8 bar, the CO2 adsorption capability improved over time. At a pressure of 6 bar ...  Read More

Environmental Engineering,
Optimization of the Adsorption of Pb(II) and Zn(II) onto the EDTA-Modified MnO2/Chitosan/Fe3O4 Nanocomposite from an Aqueous Solution Using RSM According to the CCD Method

Adel Panahadeh; Arsalan Parvareh; Mostafa Moraveji

Volume 18, Issue 3 , September 2021, , Pages 33-51


  The central composite design (CCD) was employed to investigate the adsorption of Pb(II) and Zn(II) metal ions as well as methylene blue (MB) as an aromatic anion by a new EDTA/MnO2/CS/Fe3O4 synthesized nanocomposite. The effect of possible affective factors including the contaminant concentration (20-200 ...  Read More

Environmental Engineering,
Removal of Phosphate from the Aqueous Environment Using Iron Oxide/Activated Carbon Composites: Activated Carbon Derived from Ziziphus Nuts as a New Precursor

Behnam mousazadeh; Nima . mohammadi; Touba hamoule

Volume 18, Issue 3 , September 2021, , Pages 52-62


  Ziziphus nuts are abundant in Khuzestan province, Iran, and are considered as an unwanted natural biomass waste. The present study is aimed to develop low-cost activated carbon from Ziziphus nuts as a new precursor for the removal of phosphate from the water environment.the iron oxide modification was ...  Read More

Environmental Engineering,
Oxidative desulfurization of petroleum products using decorated cobalt oxide on the surface of modified carbon nanotubes-ICHEC-1887

A. Kazemi-Beydokhti; H. Hassanpour souderjani

Volume 18, Issue 1 , March 2021, , Pages 36-45


  Due to the dangerous effects of sulfur in hydrocarbon compounds and its impact on environmental health, a new formulation based on surface-modified carbon nanotubes and a cobalt oxide has been prepared. Oxidative desulfurization is the main section of this process that is utilized to reduce this impurity. ...  Read More

Environmental Engineering,
Groundwater Denitrification by Using MBBR With KMT Packing

A. Hemmati; M. Raeisi; M. borghei

Volume 17, Issue 4 , October 2020, , Pages 60-68


  Many communities in the world use groundwater as a source of potable water. The high nitrate concentration is a serious problem in groundwater usage. This study utilizes a biological denitrification method to investigate a moving bed biofilm reactor (MBBR) for the case of Tehran's groundwater. One pilot-scale ...  Read More

Environmental Engineering,
CO2 biofixation by Dunaliella Salina in batch and semi-continuous cultivations, using hydrophobic and hydrophilic poly ethylene (PE) hollow fiber membrane photobioreactors

V. Mortezaeikia; R. Yegani; M.A. Hejazi; S. Chegini

Volume 13, Issue 1 , January 2016, , Pages 47-59

  In this work, performance of hollow fiber membrane photobioreactor (HFMPB) on the growth of Dunaliella Salina (G26) at various aeration rates (0.1 and 0.2 VVm) and medium re-circulation flow rates (500 and 1000 mL/h) were studied. Cultivation was carried out at both batch and semi-continuous modes in ...  Read More

Environmental Engineering,
Levels of PM10 and its Chemical Composition in the Atmosphere of the City of Isfahan
Volume 5, Issue 3 , July 2008, , Pages 62-67

  Airborne particulate matter (PM10 ) was collected from the atmosphere of the city of Isfahan. The concentration of heavy metals and anions associated with airborne particulate matter were determined using atomic absorption spectrometric and ion chromatographic techniques. A comparison was made between ...  Read More

Environmental Engineering,
Monolithic Three-way Palladium Catalytic Converters for Automobile Exhaust Emission Control
Volume 2, Issue 1 , January 2005, , Pages 61-70

  This article presents the research results on production and performance of palladium-only catalytic converters. Monolith is used as the catalyst carrier and gamma alumina as the substrate. Dipping method is used for monolith washcoating. Palladium as the active metal is impregnated on gamma alumina ...  Read More